author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 Aug 2009 07:44:59 +0300 | |
changeset 16 | a359256acfc6 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#import "config.h" |
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#import "Color.h" |
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#import "ColorMac.h" |
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#import <wtf/Assertions.h> |
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#import <wtf/RetainPtr.h> |
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@interface WebCoreControlTintObserver : NSObject |
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+ (void)controlTintDidChange; |
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@end |
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namespace WebCore { |
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// NSColor calls don't throw, so no need to block Cocoa exceptions in this file |
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static RGBA32 oldAquaFocusRingColor = 0xFF7DADD9; |
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static bool tintIsKnown; |
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static void (*tintChangeFunction)(); |
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static RGBA32 systemFocusRingColor; |
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static bool useOldAquaFocusRingColor; |
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static RGBA32 makeRGBAFromNSColor(NSColor *c) |
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{ |
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return makeRGBA((int)(255 * [c redComponent]), (int)(255 * [c greenComponent]), (int)(255 * [c blueComponent]), (int)(255 * [c alphaComponent])); |
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} |
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Color colorFromNSColor(NSColor *c) |
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{ |
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return Color(makeRGBAFromNSColor(c)); |
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} |
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NSColor* nsColor(const Color& color) |
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{ |
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unsigned c = color.rgb(); |
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switch (c) { |
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case 0: { |
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// Need this to avoid returning nil because cachedRGBAValues will default to 0. |
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static RetainPtr<NSColor> clearColor = [NSColor clearColor]; |
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return clearColor.get(); |
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} |
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case Color::black: { |
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static RetainPtr<NSColor> blackColor = [NSColor blackColor]; |
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return blackColor.get(); |
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} |
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case Color::white: { |
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static RetainPtr<NSColor> whiteColor = [NSColor whiteColor]; |
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return whiteColor.get(); |
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} |
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default: { |
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const int cacheSize = 32; |
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static unsigned cachedRGBAValues[cacheSize]; |
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static RetainPtr<NSColor> cachedColors[cacheSize]; |
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for (int i = 0; i != cacheSize; ++i) |
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if (cachedRGBAValues[i] == c) |
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return cachedColors[i].get(); |
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|
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#ifdef COLORMATCH_EVERYTHING |
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NSColor* result = [NSColor colorWithCalibratedRed:color.red() / 255.0f |
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green:color.green() / 255.0f |
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blue:color.blue() / 255.0f |
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alpha:color.alpha() /255.0f]; |
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#else |
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NSColor* result = [NSColor colorWithDeviceRed:color.red() / 255.0f |
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green:color.green() / 255.0f |
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blue:color.blue() / 255.0f |
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alpha:color.alpha() /255.0f]; |
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#endif |
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static int cursor; |
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cachedRGBAValues[cursor] = c; |
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cachedColors[cursor] = result; |
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if (++cursor == cacheSize) |
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cursor = 0; |
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return result; |
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} |
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} |
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} |
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static CGColorRef CGColorFromNSColor(NSColor* color) |
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{ |
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// This needs to always use device colorspace so it can de-calibrate the color for |
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// CGColor to possibly recalibrate it. |
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NSColor* deviceColor = [color colorUsingColorSpaceName:NSDeviceRGBColorSpace]; |
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CGFloat red = [deviceColor redComponent]; |
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CGFloat green = [deviceColor greenComponent]; |
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CGFloat blue = [deviceColor blueComponent]; |
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CGFloat alpha = [deviceColor alphaComponent]; |
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const CGFloat components[4] = { red, green, blue, alpha }; |
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static CGColorSpaceRef deviceRGBColorSpace = CGColorSpaceCreateDeviceRGB(); |
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CGColorRef cgColor = CGColorCreate(deviceRGBColorSpace, components); |
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return cgColor; |
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} |
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|
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CGColorRef cgColor(const Color& c) |
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{ |
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// We could directly create a CGColor here, but that would |
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// skip any RGB caching the nsColor method does. A direct |
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// creation could be investigated for a possible performance win. |
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return CGColorFromNSColor(nsColor(c)); |
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} |
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|
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static void observeTint() |
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{ |
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ASSERT(!tintIsKnown); |
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[[NSNotificationCenter defaultCenter] addObserver:[WebCoreControlTintObserver class] |
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selector:@selector(controlTintDidChange) |
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name:NSControlTintDidChangeNotification |
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object:NSApp]; |
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[WebCoreControlTintObserver controlTintDidChange]; |
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tintIsKnown = true; |
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} |
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|
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void setFocusRingColorChangeFunction(void (*function)()) |
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{ |
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ASSERT(!tintChangeFunction); |
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tintChangeFunction = function; |
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if (!tintIsKnown) |
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observeTint(); |
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} |
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|
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Color focusRingColor() |
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{ |
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if (!tintIsKnown) |
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observeTint(); |
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|
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if (usesTestModeFocusRingColor()) |
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return oldAquaFocusRingColor; |
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|
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return systemFocusRingColor; |
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} |
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|
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bool usesTestModeFocusRingColor() |
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{ |
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return useOldAquaFocusRingColor; |
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} |
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|
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void setUsesTestModeFocusRingColor(bool newValue) |
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{ |
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useOldAquaFocusRingColor = newValue; |
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} |
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|
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} |
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|
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@implementation WebCoreControlTintObserver |
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|
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+ (void)controlTintDidChange |
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{ |
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#ifdef COLORMATCH_EVERYTHING |
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#error Not yet implemented. |
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#else |
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NSColor* color = [[NSColor keyboardFocusIndicatorColor] colorUsingColorSpaceName:NSDeviceRGBColorSpace]; |
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WebCore::systemFocusRingColor = WebCore::makeRGBAFromNSColor(color); |
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#endif |
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} |
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|
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@end |